*{
  padding: 0;
  margin: 0;
}
#wallpaper{
}
.pic{
  margin-bottom: 20px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  display: inline-block;
  padding: 15px;
  box-shadow: 0 0 5px rgba(0,0,0,.5);
  border: 1px solid #cccccc;
  position: relative;
  cursor: pointer;
  .raw{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    transition: all .4s ease;
    font-size: 20px;
    text-align: center;
    color: white;
    padding-top: 49%;
    opacity: 0;
    background: rgba(0,0,0,.5);
    text-decoration: none;

  }
  img{
    width: 100%;
  }
  p{
    padding: 5px 0;
  }
  >a{
    display: block;
  }
}
.pic:hover .raw{
  opacity: 1;
}
.container{
  padding: 5px;
}
.search-box{
  background: #cccccc;
  height: 768px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: url("../../../public/img/cat-bg.jpg") no-repeat;
  background-size: cover;
  background-position: bottom;
  margin-bottom: 30px;
}
.search-box>div{
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
}
.search-box>div>.btn,
.search-box>div>input{
  margin: auto 15px;
}
.search-box>div>input{
  height: 46px;
  color: #337ab7;
}
#search{
  .title{
    line-height: 40px;
    font-size: 36px;
    color: #337ab7;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
    text-align: center;
  }
}
@media screen and (min-width: 737px){
  .col{
    -webkit-column-count: 3;/*列数*/
    -webkit-column-gap: 15px;/*间距*/
    -moz-column-count: 3;/*列数*/
    -moz-column-gap: 15px;/*间距*/
    column-fill: auto;/*高度自适应*/
    column-count: 3;
    column-gap: 15px;
  }
  .search-box>div>input{
    width: 70% !important;
  }
}
@media screen and (max-width: 736px){
  .col{
    -webkit-column-count: 2;/*列数*/
    -webkit-column-gap: 15px;/*间距*/
    -moz-column-count: 2;/*列数*/
    -moz-column-gap: 15px;/*间距*/
    column-fill: auto;/*高度自适应*/
    column-count: 2;
    column-gap: 15px;
  }
}
@media screen and (max-width: 415px){
  .col{
    -webkit-column-count: 1 !important;/*列数*/
    -webkit-column-gap: 15px;/*间距*/
    -moz-column-count: 1;/*列数*/
    -moz-column-gap: 15px;/*间距*/
    column-fill: auto;/*高度自适应*/
    column-count: 1 !important;
    column-gap: 15px;
  }
}

